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Add a new flag: --disable-compiler-flags which disables *all* default 

compiler flags.

Originally committed to SVN as r2727.
This commit is contained in:
Amar Takhar 2009-02-10 20:50:28 +00:00
parent 342ab23e88
commit fce6a3716a
1 changed files with 17 additions and 13 deletions
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30
configure.in
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@ -203,20 +203,24 @@ CC="$PTHREAD_CC";
######################
# Check compiler flags
######################
AC_C_FLAG([-Wall])
AC_C_FLAG([-O2])
AC_C_FLAG([-Wextra],[AC_C_FLAG([-W])])
AC_C_FLAG([-Wno-unused-parameter])
AC_C_FLAG([-std=gnu99])
AC_CXX_FLAG([-Wall])
AC_CXX_FLAG([-Wextra],[AC_CXX_FLAG([-W])])
AC_CXX_FLAG([-Wno-unused-parameter])
AC_CXX_FLAG([-Wno-long-long])
AC_CXX_FLAG([-O2])
AC_CXX_FLAG([-fpermissive])
AC_CXX_FLAG([-fno-strict-aliasing])
AC_CXX_FLAG([-std=c++98])
AC_ARG_ENABLE(compiler-flags, [ --disable-compiler-flags
Disable *all* additional compiler flags. (default=no)])
if test "$enable_compiler_flags" != "no"; then
AC_C_FLAG([-Wall])
AC_C_FLAG([-O2])
AC_C_FLAG([-Wextra],[AC_C_FLAG([-W])])
AC_C_FLAG([-Wno-unused-parameter])
AC_C_FLAG([-std=gnu99])
AC_CXX_FLAG([-Wall])
AC_CXX_FLAG([-Wextra],[AC_CXX_FLAG([-W])])
AC_CXX_FLAG([-Wno-unused-parameter])
AC_CXX_FLAG([-Wno-long-long])
AC_CXX_FLAG([-O2])
AC_CXX_FLAG([-fpermissive])
AC_CXX_FLAG([-fno-strict-aliasing])
AC_CXX_FLAG([-std=c++98])
fi
######################################
# Check Headers / Features / Libraries